<!DOCTYPE html>
<html lang="zh-CN">
<!--lang==language 指定语言为中文-->

<head lang="zh-CN">
    <title>Days Gone</title>
    <link rel="icon" href="./media_resourcing/title_logo.ico" type="images/x-ico" />
    <!--设置标题网页logo-->
    <meta charset="UTF-8">
    <style>
        div {
            width: 200px;
            height: 100px;
            background-color: aquamarine;
            line-height: 100px;
        }
        
        .box1 {
            margin-bottom: 20px;
            /* margin-top margin-left margin-right .... */
            /* 也可以 */
        }
    </style>
</head>

<body>
    <div class="box1">盒子1</div>
    <div class="box2">盒子2</div>
    <div class="box3">盒子3</div>
</body>

</html>